Home / 2,567,421-3,543,028.56-1,390,020.60

Finding the Fourth Proportional to 2,567,421, 3,543,028.56 and 1,390,020.60

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Solution

The fourth proportional to 2,567,421, 3,543,028.56 and 1,390,020.60 is: 1,918,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567,421 : 3,543,028.56 = 1,390,020.60 : x
  2. Step 2: Convert to fraction form
    2,567,421/3,543,028.56 = 1,390,020.60/x
  3. Step 3: Cross multiply
    2,567,421x = 3,543,028.56 × 1,390,020.60
  4. Step 4: Simplify right side
    2,567,421x = 4,924,882,684,788.34
  5. Step 5: Solve for x
    x = 4,924,882,684,788.34/2,567,421
  6. Step 6: Final answer
    x = 1,918,221.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.